Removable brush head



Jan. 17, 1933. s. MAZZELLA REMOVABLE BRUSH HEAD Filed May 20, 1932 MW dkimz m jfa eih W @Qi WOW) Patented Jan. 17, 1933 UNITED STATES PATENT OFFICE SALVATORE MAZZELLA, F PRINCETON, NEW JERSEY REMOVABLE BRUSH HEAD Application filed. May 20, 1932. 'SerialNo. 612,559.

This invention relates to certain new and face thereof together with the reduced neck useful improvements in removable brush portion 11 cut away to provide longitudinalheads. 1y extending side edge flanges 13 with op- The primary object of the invention is to posed faces ofthe flanges uppercut as at 14 5 provide a brush backing with a removable to provide dove-tail retaining flanges for the .5

head carrying bristles or the like so that the brush head. The cut away face of the backlatter may be removed from the backing for ing and neckll also provides an abutment purposes of cleaning or replacement whenshoulder at the end of the handle 12 adj aever desired. cent the neck 11. As shown more clearly in 10 A further object of the invention is to pro- Figure 5, the abutment shoulder 15 is provide a removable brush head of the foregoing vided with an end opening socket 16 for purcharacter with a thumb notch or depression in poses presently to appear. the brush head to facilitate removal thereof The brush head 17 carrying bristles 18 upon from the backing and with a novel form of one face thereof has the opposite face longi- 15 fastening device for retaining the brush head tudinally grooved at its side edges to provide assembled on the backing. dove tail grooves 19 to receive. the dove tail With the above and other objects in view side flanges 13 as will be understood from an that will become apparent as the nature of inspection of Figure 3. The inner end of the invention is better understood, the same the brush head 17 has a reduced neckportion 20 consists in the novel form, combination and 20 terminating in an abutment shoulder 21, arrangementof parts hereinafter more fully the reduced neck portion 20 mating with the described, shown in the accompanying drawreduced neck 11 of the backing while the ing and claimed. shoulder 21 abuts the shoulder 15 of the han- In the drawing dle '12.

Figure 1 is a bottom plan view of a brush An eye bolt 22 projects outwardly of the constructed in accordance with the present end of the abutment shoulder 21 of the brush invention, showing the head in assembled rehead 17 and moves into the socket 16 provided lation to the brush backing; in the end of the shoulder 15 upon the handle Figure 2 is a side elevational view; 12. As shown in Figures 3 and 5, a threaded 30 Figure 3 is a bottom plan View with the washer 23 is countersunk in the face of thez.

brush head illustrated as partially removed handle 12 above the socket 16 and through from the backing; which washer the screw 24 is threaded by Figure 4 is a cross-sectional view taken on means of the head 25, the screw 24 passing line 4-4 of Figure 1, showing the interlockthrough the eye-bolt 22 for securely anchoring sliding connection between the brush head ing the brush head 17 in the backing 10. and backing; and To remove the brush head from the back- Figure 5 is a detail sectional view taken on ing for purposes of cleaning or replacement, line 5-5 of Figure 1, showing the connectthe screw 24 is disengaged from the eye-bolt ing device between the brush head and back- 22 and the thumb or forefinger of a person is ing. placed in the notch or depression 26 in the? While the brush disclosed herein is in the exposed side of the brush head in the reduced form of a hair brush, it is to be understood neck portion 20 thereof to facilitate sliding that the inventive features of the device may movement of the brush head relative to the be embodied in a brush of any character, brush backing and to aid in removal of the 5 wherein a brush backing has a head removbrush head. ably engaged therewith. Referring more in From the above detailed description of the detail to the accompanying drawing, the refinvention, it is believed that the construction erence character 10 designates a brush backand operation thereof will at once he apparing having a reduced neck portion 11 and a ent and while there is herein shown and de- 50 gripping handle 12. The backing 10 has one scribed the preferred embodiment of the illvention, it is nevertheless to be understood that minor changes may be made therein without departing from the spirit and scope of the invention as claimed.

5 I claim 1. A brush comprising a back, a handle on the backing, the backing being cut-away on one face to provide side dove tailed flanges and an abutment shoulder on the outer end of the handle, said shoulder having an ed e opening socket therein, an apertured threa ed disk set into the handle above the socket, a brush head having side edge dove-tailed flanges slidable in the backing flanges and having an abutment shoulder at its inner end,

and eye bolt'projecting from the last named shoulder to be received in the backing socket I when thetvvo shoulders are in abutting eng'agement and 'a'screw pin threaded through iv1'0 the disk and passing through the eye bolt to A retain the brush head on the backing.

2. Abrush comprising a back, a handle on the backing, the backing being cut-away on A one face to provide side dove tailed flanges i5 and an abutment shoulder on the outer "end of the handle, said shoulder having aned'ge opening socket therein, an apertured threaded'disk set into the handle above the socket, a brush head having side edge dove-tailed flan esslidable in the backing flanges and V havlng an abutment shoulder at its inner end,

anfeye bolt projecting from the last named shoulder to be received in the backing socket when the two shoulders are in abutting enr155 gagement and a screw pinthreaded through the disk and passing through the'eye bolt 'to' retain the brush head on the backing, and said brush head having a finger receiving depression therein at its innerend to facilitate 'r'emoval of the "front head from the backing.

In testimony whereof I aflix my signature.

' SALVATORE MAZZELLA. 

